AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-22 19:59:30 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

rndis_wlan: add return value validation

Browse Source 
Function create_singlethread_workqueue() will return a NULL pointer if
there is no enough memory, and its return value should be validated
before using. However, in function rndis_wlan_bind(), its return value
is not checked. This may cause NULL dereference bugs. This patch fixes
it.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Pan Bian 2017-04-24 08:40:28 +08:00 committed by Kalle Valo
parent dc3f89c38a
commit 9dc7efd397
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/rndis_wlan.c
View File

@ -3428,6 +3428,10 @@ static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
/* because rndis_command() sleeps we need to use workqueue */
priv->workqueue = create_singlethread_workqueue("rndis_wlan");
if (!priv->workqueue) {
wiphy_free(wiphy);
return -ENOMEM;
}
INIT_WORK(&priv->work, rndis_wlan_worker);
INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);